saxifeagacejE. 267 



Summit of Pacheco Peak, Brcioer. Very closely allied to the- 

 next. Our descriptions of the two species, as well as those in the 

 Botany of California by Dr. Watson, are too nearly congruous.- 

 More abundant material needed. 



2. C. caespitosa Haw. Acaulesoent, the short caudex IJ in. 

 thick or less, with reddish -flesh; herbage glabrous, the younger leaves 

 in the center of rosette glaucous, the stems and inflorescence disposed 

 to become straw-yellow in age; rosulate leaves 2 to 5J in. long, either 

 narrowly oblong (6 to 9 lines broad) or strongly dilated above (IJ in. 

 broad), all with conspicuously acuminate or lanceolate-acuminate 

 apex; oauline leaves narrowly lanceolate and bract-like, IJ in. long 

 or less, the upper very short and triangular; cyme compound, rather 

 loose and sometimes few-flowered, IJ to 3 in. high, the whole inflo- 

 rescence or one side frequently flexuous- or recurved-contorted; pedi- 

 cels 2 to 6 or even 12 lines long; calyx-lobes ovate, acute, nearly 2 

 lines long; petals orange or yellow, oblong-lanceolate, 4 to 6 lines 

 long, indistinctly winged on the back, fleshy in anthesis, afterwards 

 becoming thin and scarious. 



Eo'cky ridges of the Coast Ranges: Yaca Mountains, Piatt; Howell 

 Mountain, Jepson. Last of Apr.-June. 



Var. paniculata. Cymes paniculate, the flowering stems bearing 

 several peduncled cymes from the middle. — Morrison Canon near 

 Niles, collected by the author in 1897. 



3. C. Plattiana. Acaulescent, 3 to Sin. high; leaves more or less 

 glaucous, the whole plant, including the inflorescence, becoming 

 reddish; rosulate leaves 1 to 3 in. long, much like those of the pre- 

 ceding; cyme with numerous flowers, very compact and flat-topped, 

 about IJ to 2J in. broad, about \\ to If in. high; pedicels 2 to 5 lines 

 long; sepals triangular, acute or shortly acuminate, IJ lines long; 

 petals broadly lanceolate, distinctly winged on the back, 4 lines long. 



Inner Coast Range: Sit. Diablo; Yaca Mountains, R. H. Piatt. 



4. C. laxa Brew. i& Wats. Nearly acaulescent, very glaucous; 

 flowering branches stout, 1 to 2 ft. high; rosulate leaves lanceolate, 

 sharply acuminate, 3 to 4 in. long or more; inflorescence of 2 to 4 

 simple secund racemes 3 to 5 in. long; pedicels 1 to 2 (or 3) lines 

 long; sepals ovate, a'ute, 2 to 2\ lines long; petals orange-yellow 

 in early anthesis, oblong-lanceolate, acute or acuminate, distinctly 

 keeled, 5 to 7 lines long. 



Gabilan Range (San Juan), Brewer, thence southward to Southern 

 California. 



Var. Setchellil. Herbage merely glaucous; flowering branches 

 slender, 9 to 12 in. high; leaves lanceolate or linear-lanceolate and 

 long-acuminate; petals narrowly oblong, acute; racemes many, 

 elongated and paniculate. — Coyote Creek, Santa Clara Co., 189i>, 

 Setchell and Jepson. 



61. SAXIFRAGACE>E. Saxifrage Family. 



Ours perennial herbs or shrubs with alternate leaves (opposite in 

 Whipplea) and no stipules (except in Ribes). Flowers perfect, peri- 



